Natural Selection

What is biological fitness defined as?

• The number of offspring an organism has.

• The ability to run fast and lift heavy objects.

• The ability to survive and pass on one's genes in a given environment.

• The ability to adapt to any environment quickly.

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Who published the work 'On the Origin of Species'?

• Gregor Mendel

• Charles Darwin

• Albert Einstein

• Isaac Newton

What does natural selection improve over time?

• The speed at which an organism can move.

• The organism's resistance to all diseases.

• The organism's ability to perform photosynthesis.

• The 'match' between an organism and its environment.

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What is a common misconception about evolution?

• All mutations are beneficial.

• Only the strongest individuals evolve.

• Populations evolve, not individuals.

• Evolution happens in a matter of years.

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What is responsible for the largest share of genetic variability?

• Environmental changes

• Random mutation

• Diet and exercise

• Intentional mutation

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What type of selection favors one extreme phenotype?

• Random selection

• Stabilizing selection

• Directional selection

• Disruptive selection

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Which example illustrates stabilizing selection?

• Finches' beak size

• Peacock's tail size

• Peppered moths' color change

• Human intelligence

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What does 'survival of the fittest' more accurately mean?

• Survival of the fit enough

• Survival of the most intelligent

• Survival of the fastest

• Survival of the strongest

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What is an example of diversifying selection?

• Fish swimming speed

• Plant leaf size

• Rock pocket mice coloration

• Human height

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What is the purpose of Darwin Awards?

• To honor the most intelligent humans

• To recognize significant contributions to science

• To humorously note individuals who remove themselves from the gene pool

• To award the fittest individuals

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